Ostriches -- Classification. : Hand-list of genera and species of birds : distinguishing those contained in the British Museum. Part 3, Struthiones, grallae and anseres / by George Robert Gray
Ostriker, Alicia. His speed and strength : Poetry for students. Volume 19 : presenting analysis, context and criticism on commonly studied poetry / David Galens project editor ; foreword by David Kelly
Ostriker, Alicia. Mastectomy : Poetry for students. Volume 26 : presenting analysis, context and criticism on commonly studied poetry / Ira Mark Milne, project editor ; foreword by David Kelly
Ostry, Sylvia. : Deux économistes à contre-courant : Sylvia Ostry et Kari Polanyi Levitt / Michèle Rioux et Hugues Brisson ; avec la collaboration de Philippe Langlois
2018
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Ostry, Sylvia, 1927- : The sterling public servant : a global tribute to Sylvia Ostry / edited by Jacob Ryten